September weather forecast
Nashua, FL

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Weather in September

The first month of the autumn, September, is still a hot month in Nashua, Florida, with temperature in the range of an average high of 88.5°F (31.4°C) and an average low of 73°F (22.8°C).

Temperature

The average high-temperature during September is a still tropical 88.5°F (31.4°C), almost matching the conditions of the preceding month. An average minimum temperature of 73°F (22.8°C) marks the month of September.

Heat index

In September, the heat index is calculated to be a blistering 105.8°F (41°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

August, September and December, with an average relative humidity of 77%, are the most humid months in Nashua.

Rainfall

In Nashua, during September, the rain falls for 15.2 days and regularly aggregates up to 1.18" (30mm) of precipitation. Throughout the year, in Nashua, there are 138.3 rainfall days, and 12.76" (324mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall.

Daylight

The average length of the day in September in Nashua is 12h and 20min.
On the first day of the month, sunrise is at 7:04 am and sunset at 7:48 pm. On the last day of September, in Nashua, Florida, sunrise is at 7:19 am and sunset at 7:13 pm EDT.

Sunshine

The average sunshine in September in Nashua is 8.5h.

UV index

In Nashua, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 6 in September translates into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

How hot does it get in Nashua in September?

September temperatures in Nashua, Florida, vary between a high-temperature of 88.5°F (31.4°C) and a low-temperature of 73°F (22.8°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in September is calculated to be 105.8°F (41°C).

What is the most humid month in Nashua?

August, September and December, with an average relative humidity of 77%, are most humid months.

What is the average humidity in September in Nashua?

The average relative humidity in September is 77%.

How much does it rain in Nashua in September?

In Nashua, in September, it is raining for 15.2 days, with typically 1.18" (30mm) of accumulated precipitation.

When it does not snow in Nashua?

February through December are months without snowfall in Nashua.

How many hours of daylight does Nashua have in September?

In Nashua, Florida, the average day length in September is 12h and 20min.

When are sunrise and sunset in September in Nashua?

In September, on the first day of the month, sunrise is at 7:04 am and sunset at 7:48 pm. On the last day of the month, in Nashua, Florida, sunrise is at 7:19 am and sunset at 7:13 pm EDT.

How many hours of sunshine does Nashua have in September?

In Nashua, Florida, the average sunshine duration in September is 8.5h.

How high is the UV index in September in Nashua?

In Nashua, Florida, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Nashua, FL

Average temperature in September - Nashua, FL
  • Average high temperature in September: 88.5°F

The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is January (65.8°F).

  • Average low temperature in September: 73°F

The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (48.2°F).

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Average pressure in September
Nashua, FL

Average pressure in September - Nashua, FL
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).

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Average wind speed in September
Nashua, FL

Average wind speed in September - Nashua, FL
  • Average wind speed in September: 4.6mph

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

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Average humidity in September
Nashua, FL

Average humidity in September - Nashua, FL
  • Average humidity in September: 77%

The months with the highest relative humidity are August, September and December (77%).
The month with the lowest relative humidity is March (70%).

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Average rainfall in September
Nashua, FL

Average rainfall in September - Nashua, FL
  • Average rainfall in September: 1.18"

The wettest month (with the highest rainfall) is July (2.09").
The driest month (with the least rainfall) is March (0.47").

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Average rainfall days in September
Nashua, FL

Average rainfall days in September - Nashua, FL
  • Average rainfall days in September: 15.2 days

The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is November (6.7 days).

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Average snowfall days in September
Nashua, FL

Average snowfall days in September - Nashua, FL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in September /
Average sunshine in September
Nashua, FL

Average daylight in September / Average sunshine in September - Nashua, FL
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

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Average sunshine days in September
Nashua, FL

Average sunshine days in September - Nashua, FL
  • Average sunshine days in September: 12.1 days

The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is June (9.3 days).

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Average UV index in September
Nashua, FL

Average UV index in September - Nashua, FL
  • Average UV index in September: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

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Average cloud cover in September
Nashua, FL

Average cloud cover in September - Nashua, FL
  • Average cloud cover in September: 33

The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are May and July (Cloud cover 30).

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Average visibility in September
Nashua, FL

Average visibility in September - Nashua, FL
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Nashua, Florida, USA

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